A young man who disappeared during a Christmas party is the subject of a case for criminal inspector Antti Hautalehto at the police in Borgå. His boss's alcohol problem increases his work pressure.

Hautalehto investigates the strange drownings of a soccer team. An eyewitness flees for his life and Hautalehto's wife wants a divorce.

A new murder makes Hautalehto focus on the investigation; suspicions about a serial killer arise; Hautalehdo's love life takes a new turn.